2SA1941R Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -140 V
• Collector-Base Voltage, max: -140 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -10 A
• Collector Dissipation: 100 W
• DC Current Gain (h_fe): 55 to 100
• Transition Frequency, min: 30 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-3P

Here is an image showing the pin diagram of this transistor.The 2SA1941R transistor can have a current gain of 55 to 100. The gain of the 2SA1941 will be in the range from 55 to 160, for the 2SA1941O it will be in the range from 80 to 160.Sometimes the "2S" prefix is not marked on the package - the 2SA1941R might only be marked "A1941R".The complementary NPN transistor to the 2SA1941R is the 2SC5198R.You can replace the 2SA1941R with the 2SA1106, 2SA1146, 2SA1146-R, 2SA1186, 2SA1186-O, 2SA1265, 2SA1265-O, 2SA1265-R, 2SA1294, 2SA1294-O, 2SA1301, 2SA1301R, 2SA1302, 2SA1302R, 2SA1303, 2SA1303-O, 2SA1386, 2SA1386-O, 2SA1386A, 2SA1386A-O, 2SA1386A-P, 2SA1386A-Y, 2SA1491, 2SA1491-O, 2SA1492, 2SA1492-O, 2SA1516, 2SA1516-R, 2SA1695, 2SA1695-O, 2SA1805, 2SA1942, 2SA1942R, 2SA1943, 2SA1943R, 2SA1962, 2SA1962R, 2SA1986, 2SA1986-R, 2SA2120, 2SA2120-R, 2SA2121, 2SA2121-R, 2SA2151, 2SA2151-O, 2SA2151A, 2SA2151A-O, 2SA2151A-P, 2SA2151A-Y, 2SA2223, 2SA2223-O, 2SA2223A, 2SA2223A-O, 2SB1429, 2SB1429-R, 2SB863, 2SB863-R, FJA4210, FJA4210R, FJA4213, FJA4213R, FJL4215, FJL4215R, KTA1943, KTA1943A, KTA1943AR, KTA1943R, KTA1962, KTA1962A, KTA1962AR, KTA1962R, MAG9413, MAG9413A, MJW1302A, MJW1302AG or NTE2329.